What are pedipalps and how would you describe their appearance?

1 Answer
Oct 25, 2017

Pedipalps are leg like structurs, close to the mouth, on several arachnids.

Explanation:

Those legs like structurs comme in many form among the class of Arachnids.
in may comme in different shape, simple, or in form of a pincer:
https://fr.wikipedia.org/wiki/P%C3%A9r%C3%A9iopode#/media/File:Gnathopods_ensvg
for instance, the scorpion 's pincers are it's pedipalpes, in the forme of chelate pincer:
http://www.discoverlife.org/nh/cl/GSMNP/arachnid/key/key_order.html

The Harvestmen's pedipalps avec also in the form of pincer but subchelate:
http://www.flickriver.com/photos/artour_a/sets/72157612394844012/

On spider's the pedipalpes are simple. They can bu used for food maniulation and reproduction (for the male):
http://www.spiders.us/articles/identification/

Indeed, the male spider use it's pedipalp in order to inject sperm in the female epigyne:
http://www.domyownpestcontrol.com/all-about-spiders-c-22_573.html